condition mean min max 3 h after light 0.563773 0.0 0.972187 6 h after light 0.254981 0.0 0.764943 9 h after light 0.18239533333333333 0.0 0.547186 12 h after light 0.5522533333333334 0.0 1.65676 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.328081 0.0 0.984243